Rely on run command so the stdout of eslint is shown on terminal

Author: machadoit

cmd/analyze.go

@@ -45,19 +45,6 @@ var analyzeCmd = &cobra.Command{
 			fmt.Printf("Output will be available at %s\n", outputFile)
 		}
 
-		if outputFile != "" {
-			err = tools.RunEslintToFile(workDirectory, eslintInstallationDirectory, nodeBinary, outputFile)
-		} else {
-			out, err2 := tools.RunEslintToString(workDirectory, eslintInstallationDirectory, nodeBinary)
-			if err2 != nil {
-				log.Fatal(err2)
-			}
-
-			fmt.Println(out)
-		}
-
-		if err != nil {
-			log.Fatal(err)
-		}
+		tools.RunEslint(workDirectory, eslintInstallationDirectory, nodeBinary, outputFile)
 	},
 }

tools/eslintRunner.go

@@ -6,19 +6,10 @@ import (
 	"path/filepath"
 )
 
-func RunEslintToFile(repositoryToAnalyseDirectory string, eslintInstallationDirectory string, nodeBinary string, outputFile string) error {
-	_, err := runEslint(repositoryToAnalyseDirectory, eslintInstallationDirectory, nodeBinary, outputFile)
-	return err
-}
-
-func RunEslintToString(repositoryToAnalyseDirectory string, eslintInstallationDirectory string, nodeBinary string) (string, error) {
-	return runEslint(repositoryToAnalyseDirectory, eslintInstallationDirectory, nodeBinary, "")
-}
-
 // * Run from the root of the repo we want to analyse
 // * NODE_PATH="<the installed eslint path>/node_modules"
 // * The local installed ESLint should have the @microsoft/eslint-formatter-sarif installed
-func runEslint(repositoryToAnalyseDirectory string, eslintInstallationDirectory string, nodeBinary string, outputFile string) (string, error) {
+func RunEslint(repositoryToAnalyseDirectory string, eslintInstallationDirectory string, nodeBinary string, outputFile string) {
 	eslintInstallationNodeModules := filepath.Join(eslintInstallationDirectory, "node_modules")
 	eslintJsPath := filepath.Join(eslintInstallationNodeModules, ".bin", "eslint")
 
@@ -30,16 +21,11 @@ func runEslint(repositoryToAnalyseDirectory string, eslintInstallationDirectory
 
 	cmd.Dir = repositoryToAnalyseDirectory
 	cmd.Stderr = os.Stderr
+	cmd.Stdout = os.Stdout
 
 	nodePathEnv := "NODE_PATH=" + eslintInstallationNodeModules
 	cmd.Env = append(cmd.Env, nodePathEnv)
 
 	// TODO eslint returns 1 when it finds errors, so we're not propagating it
-	out, _ := cmd.Output()
-
-	//DEBUG:
-	//fmt.Println(cmd.Env)
-	//fmt.Println(cmd)
-
-	return string(out), nil
+	cmd.Run()
 }

tools/eslintRunner_test.go

@@ -10,39 +10,6 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestRunEslintToString(t *testing.T) {
-	homeDirectory, err := os.UserHomeDir()
-	if err != nil {
-		log.Fatal(err.Error())
-	}
-	currentDirectory, err := os.Getwd()
-	if err != nil {
-		log.Fatal(err.Error())
-	}
-	testDirectory := "testdata/repositories/test1"
-	repositoryToAnalyze := filepath.Join(testDirectory, "src")
-	sarifOutputFile := filepath.Join(testDirectory, "sarif.json")
-	eslintInstallationDirectory := filepath.Join(homeDirectory, ".cache/codacy-cli-v2/tools/eslint")
-	nodeBinary := "node"
-
-	eslintOutput, err := RunEslintToString(repositoryToAnalyze, eslintInstallationDirectory, nodeBinary)
-	if err != nil {
-		log.Fatal(err.Error())
-	}
-
-	expectedSarifBytes, err := os.ReadFile(sarifOutputFile)
-	if err != nil {
-		log.Fatal(err.Error())
-	}
-
-	filePrefix := "file://" + currentDirectory + "/"
-	actualSarif := strings.ReplaceAll(eslintOutput, filePrefix, "")
-
-	expectedSarif := string(expectedSarifBytes)
-
-	assert.Equal(t, expectedSarif, actualSarif, "output did not match expected")
-}
-
 func TestRunEslintToFile(t *testing.T) {
 	homeDirectory, err := os.UserHomeDir()
 	if err != nil {
@@ -61,10 +28,7 @@ func TestRunEslintToFile(t *testing.T) {
 	eslintInstallationDirectory := filepath.Join(homeDirectory, ".cache/codacy-cli-v2/tools/eslint")
 	nodeBinary := "node"
 
-	err = RunEslintToFile(repositoryToAnalyze, eslintInstallationDirectory, nodeBinary, tempDir)
-	if err != nil {
-		log.Fatal(err.Error())
-	}
+	RunEslint(repositoryToAnalyze, eslintInstallationDirectory, nodeBinary, sarifOutputFile)
 
 	expectedSarifBytes, err := os.ReadFile(sarifOutputFile)
 	if err != nil {